CBSE Maths Extra Questions Class 8

CBSE Maths Class 8 Extra Questions help students understand Maths concepts efficiently. The extra questions for CBSE Class 8 Maths are given here in order to help students prepare well and score good marks in the annual examination. These questions come from all the important topics of the Class 8 Maths curriculum, and it is advisable to solve them on a regular basis.

Importance of  CBSE Extra Questions in Class 8 Maths

  • The extra questions are given in a precise manner and will help students practise the Maths chapters easily.
  • Students are recommended to solve these questions after reading all the chapters in the textbook to avail excellent benefits.
  • CBSE Extra Questions consist of questions which can be expected in the upcoming final exams.
  • These questions adhere to the latest syllabus.
  • It is also advisable for teachers to assist students in solving the given questions.

Students can view the given CBSE Class 8 extra questions of Maths below:

  1. If 9 is the divisor of 21y5, find y.
  2. Plot a point (5, 4) on a graph and find out if it is similar to (4, 5).
  3. Divide the polynomial
    \(\begin{array}{l}(6x^{2}-5x)\div 2x\end{array} \)
    with the monomial 2x.
  4. If a wall is getting built in 48 hours by 14 workers, how many workers will finish the wall in 30 hours?
  5. Find the value of p for which
    \(\begin{array}{l}6^{p}\div 6^{-2}=6^{6}\end{array} \)
  6. Find the total cost of polishing the floor if the cost per square metre is Rs. 5 and if the floor of the building consists of 4000 tiles, which are rhombus-shaped, and each of its diagonals is 35 cm and 20 cm in length.
  7. Explain with a graphical representation, if needed, if a polyhedron can exist of 10 faces, 15 vertices and 20 edges.
  8. Find the area and perimeter of triangles with the dimensions given in the ratio of monomials as (p,q);(10m,5n);(
    \(\begin{array}{l}20x^{2},5y^{2}\end{array} \)
    \(\begin{array}{l}3x^{2}\end{array} \)
  9. Liverpool won 20 matches out of the total in the English Premier League. If their winning % was 40, then find the total number of matches played by Liverpool.
  10. In a bag containing 5 red balls and 6 blue balls, find out the probability of getting a blue ball while drawing.
  11. Draw a Square READ with Diagonal DE = 5 cm.
  12. Explain the reason behind the rectangle being a convex quadrilateral.
  13. The denominator of a rational number is 8 value greater than its numerator, and if increased by 17 and the denominator is decreased by 2, the number obtained after this is 3/2. Find the rational number.
  14. If the angles of a quadrilateral are in the ratio of 2:3:5:8, then what is the measure of each angle?
  15. Given that there are 24% of boys in a school and the number of girls is 456, then what is the total number of students in the school?
  16.  If a train travels 112 km in 1 hour 30 minutes with a certain speed, calculate the kilometres it will travel in 4 hours 45 minutes with the same speed.

Solving the given CBSE Class 8 Maths extra questions daily will be helpful for students to ace the CBSE annual exams.

Also Read:

CBSE Sample Papers for Class 8 Maths CBSE Sample Papers for Class 8


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